SB20250402142 - Multiple vulnerabilities in WebKitGTK+ and WPE WebKit

Description

This security bulletin contains information about 6 secuirty vulnerabilities.

1) Memory corruption (CVE-ID: CVE-2025-24209)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in WebKit. A remote attacker can trick the victim into opening a specially crafted website and perform an unexpected process crash.

2) Memory corruption (CVE-ID: CVE-2025-24216)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in WebKit. A remote attacker can trick the victim into opening a specially crafted website and perform an unexpected Safari crash.

3) Memory corruption (CVE-ID: CVE-2025-24264)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in WebKit. A remote attacker can trick the victim into opening a specially crafted website and perform an unexpected Safari crash.

4) Universal cross-site scripting (CVE-ID: CVE-2025-24208)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data when handling iframes. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

5) Type confusion (CVE-ID: CVE-2025-24213)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a type confusion error. A remote attacker can trick the victim into visiting a specially crafted website, trigger a type confusion error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

6) Use after free (CVE-ID: CVE-2025-30427)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error in WebKit. A remote attacker can trick the victim into opening a specially crafted website and perform an unexpected Safari crash.

Remediation

Install update from vendor's website.

References

• https://support.apple.com/en-us/122373
• https://webkitgtk.org/security/WSA-2025-0003.html
• https://support.apple.com/en-us/122379